Questions

Q:

Ammonia can be dried by

A) Sulphuric acid B) Calcium oxide
C) Phosphorus pentoxide D) Calcium Chloride
 
Answer & Explanation Answer: D) Calcium Chloride

Explanation:

Ammonia can be dried by Calcium Chloride or calcium hydroxide.

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Q:

Alcohol is more volatile than water because _________ is lower than water

A) its boiling point B) its density
C) its viscosity D) its surface tension
 
Answer & Explanation Answer: A) its boiling point

Explanation:
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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

 

To know language is to be able to speak it; even a child who does not yet attend school can speak his or her language. In order to speak a language it is important to listen to it and to read a few pages in it everyday. A child picks up language and learns to talk just as (s)he learns to walk. Walking and talking comes naturally to a child as it grows. In our country, a child may grow up speaking more than one language, if these languages are spoken in the home and in the neighbourhood. we call this multilingualism. A child speaks a language or languages much before (s)he starts going to school. To know a language then is first of all to be able to speak it as easily and naturally as a tree year old child does. Later on the child will learn to read and write in that language. In order to read and write in a language, one has to speak it. But it is possible to speak a language but not able to read or write in it. A baby does not speak until it is nine months old but it understands a few words at six months of age. It has been listening ever since it was born, and even a little before that. So the first strategy in speaking a language is to listen.

 

It is necessary for one to __________ the language before (s)he writes in that language.

A) sing B) spell
C) speak D) none of the above
 
Answer & Explanation Answer: C) speak

Explanation:
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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

Such are the strata which we
X-species as those now living in the Mediterranean
Y-meet with in the south of Sicily, filled
Z-with shells for the most part of the same

A) YXZ B) XZY
C) XYZ D) YZX
 
Answer & Explanation Answer: D) YZX

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

A drop in the bucket

A) So much silence that even a drop can be heard B) A very small amount compared with what is needed
C) The final act before the task is done D) A small favour is worth a lot to a person in trouble
 
Answer & Explanation Answer: B) A very small amount compared with what is needed

Explanation:
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Q:

In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.

INSOLENT

A) DISTASTEFUL B) IMPATIENT
C) DIABOLIC D) RUDE
 
Answer & Explanation Answer: D) RUDE

Explanation:
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Q:

Why is argon gas used along with tungsten wire in an electric bulb?

A) To increase the life of the bulb B) To reduce the consumption of electricity
C) To make the emitted light colored D) To reduce the cost of the bulb
 
Answer & Explanation Answer: A) To increase the life of the bulb

Explanation:

Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.

The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.

Argon is also used to create an inert atmosphere for growing semiconductor crystals, arc welding and for processes that need protection from other kinds of atmospheric gases.

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
The bullet hit the soldier in the arm.

A) Hitting in the arm of the soldier has been done by the bullet. B) The soldier was hit in the arm by the bullet.
C)  The bullet has hit it in the arm of the soldier. D) The arm of the soldier is being hit by a bullet.
 
Answer & Explanation Answer: B) The soldier was hit in the arm by the bullet.

Explanation:
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